How do I measure surface temperature with a thermocouple on a filament bulb?

[sheikhfahad]

Can some 1 pls tell me how to measure the surface temperature of the filament bulb with a thermocople, do you put the sensor on the surface or what. As i am new to this can u pls help. Thanks you

 

[Integral]

You will not be able to get a meaningful temperature of a filament with a contact method. The thermal mass of a filament is very low, contact with any object will cause the filament to equalize in temperature with the probe, thus you will not measure the correct temperature.

See my response to this same question in your previous post. Please do not double post.

 

[Graeme Robinson]

To measure surface temperature with a thermocouple on a filament bulb, you will need to follow these steps:

1. First, make sure you have a thermocouple with a suitable temperature range for the surface temperature of the filament bulb.

2. Next, attach the thermocouple probe to the thermometer or temperature measuring device.

3. Turn on the filament bulb and let it warm up for a few minutes to reach its operating temperature.

4. Carefully place the thermocouple probe on the surface of the filament bulb. Make sure the probe is in direct contact with the surface and is not touching any other parts of the bulb.

5. Allow the thermocouple to stabilize and record the temperature reading from the thermometer.

6. Repeat the process at different points along the surface of the bulb to get an average temperature reading.

7. To ensure accuracy, it is recommended to take multiple readings and calculate the average.

It is important to note that the temperature measured by the thermocouple may not be the exact surface temperature of the filament bulb, but it will provide a close approximation. Also, make sure to follow safety precautions when handling hot objects. I hope this helps. Good luck!